Translated some comments, added variable for configuring folder with snaps

statesnap.sh

@@ -1,40 +1,51 @@
 #!/bin/bash
 
-# Definicje kolorków
+# CONFIG
+SNAP_FOLDER="~/server_states"
+
+# Bash color definitions
 GREEN='\033[00;92m'
 BLUE='\033[00;94m'
 RST='\033[0m'
 
+# print color message
 function msg() {
         echo -e "$BLUE * $GREEN$1$RST"
 }
 
+# colorify diff output
 function colorDiff {
 	awk '/^>/ { print "\033[31m"$0"\033[0m"; } /^</ { print "\033[32m"$0"\033[0m"; } /^[^<>]/ { print $0; }'
 }
 
+# print horizontal line
 function HL {
 	echo -e "$BLUE============================================================================$RST"
 }
 
+# print and format unique processes names
 function procList {
 	ps aux | awk '{ print $11 }' | sort | uniq | egrep -v '^\['
 }
 
+# print and format opened TCP/UDP ports and process names
 function portList {
 	netstat -lpn | egrep "(tcp.*LISTEN|udp)" | sort | uniq | awk '{split($NF,arr,"/"); print $1 "   " $4 "   " arr[2]}'
 }
 
+# print firewall rules (standard + NAT table)
 function firewallRules {
 	(/sbin/iptables -L -n; echo -e "\n#NAT\n";  /sbin/iptables -L -nt nat)
 }
 
+# print routing table
 function routingTable {
 	/sbin/ip route
 }
 
+# make status snap
 function makeSnap {
-	FOLDER=~/server_states/state_$(date '+%Y%m%d_%H%M%S')
+	FOLDER=$SNAP_FOLDER/state_$(date '+%Y%m%d_%H%M%S')
 	mkdir -p $FOLDER
 	procList > $FOLDER/ps.out
 	portList > $FOLDER/netstat.out
@@ -45,8 +56,9 @@ function makeSnap {
 	msg "Written state snapshot to $FOLDER"
 }
 
+# comapring states to previous snap
 function compare {
-	FOLDER=~/server_states/$(ls ~/server_states/ | tail -n 1)
+	FOLDER=$SNAP_FOLDER/$(ls ~/server_states/ | tail -n 1)
 	msg "Comparing with snap $FOLDER"
 	echo -e "$GREEN\nProcesses diff$RST"; HL; procList | diff - $FOLDER/ps.out | colorDiff
 	echo -e "$GREEN\nOpened ports diff$RST"; HL; portList | diff - $FOLDER/netstat.out | colorDiff
@@ -55,6 +67,7 @@ function compare {
 	echo -e "$GREEN\nRouting table diff$RST"; HL; routingTable | diff - $FOLDER/routing.out | colorDiff
 }
 
+# Checking if root privileges
 function nonRootExit {
 	if [[ $EUID -ne 0 ]]; then
 		msg "This command must be run as root"
@@ -62,6 +75,7 @@ function nonRootExit {
 	fi
 }
 
+# Printing help
 function printHelp {
 	echo -e "State Snap 0.3"; HL
 	echo -e "Use: $0 [PARAMETRS]...\n"
@@ -70,12 +84,12 @@ function printHelp {
 	exit 0;
 }
 
-# przy braku argumentów wyświetl pomoc
+# Print help if no arguments
 if [ $# -lt 1 ]; then
 	printHelp
 fi
 
-# główny kod
+# Program starts here
 case $1 in
 	diff)
 	nonRootExit